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DC-DC Power Converters Part I Pavol Bauer Learning Objectives - PowerPoint PPT Presentation

Oct 21, 2023 •330 likes •490 views

DC-DC Power Converters Part I Pavol Bauer Learning Objectives What is the duty cycle? What is the ratio between the input voltage and output voltage of DC DC buck converter? What are the operating states of buck converters?

  1. DC-DC Power Converters – Part I Pavol Bauer

  2. Learning Objectives • What is the duty cycle? • What is the ratio between the input voltage and output voltage of DC DC buck converter? • What are the operating states of buck converters?

  3. Power Electronic Switch Source: https://www.vfds.com/blog/switching-it-up-igbt

  4. DC DC Conversion

  5. Buck Converter T on = the on- time of the switch T = total period

  6. Buck Converter T on = the on- time of the transistor T = total period

  7. Behaviour of a Capacitor

  8. Behaviour of an Inductor

  9. Methods of Chopper Variable frequency control (frequency modulation), Pulse width modulation (PWM), T on is varied. T is varied.

  10. Duty Cycle ( D )

  11. Step Down (Buck)

  12. Buck Converter 1 2

  13. Buck converter State 1 State 2

  14. Buck Converter

  15. Summary

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